Baghdad, Iraq (CNN) - More than a million Iraqis have been forced from their homes by conflict this year, the U.N. refugee agency said Friday - a number only likely to rise as Islamist militants and Iraqi Security forces battle for control.

A humanitarian crisis is brewing, as families who've fled fighting with little more than the clothes on their back seek water, food and shelter from the summer heat.

(CNN) - In a knife fight of a congressional hearing, IRS Commissioner John Koskinen defended his agency, but he sparked an uproar from Republicans by admitting it destroyed a key hard drive wanted in an investigation, and he did not apologize for the data loss.

"I don't think an apology is owed, not a single email has been lost since the start of this investigation," Koskinen told a dais full of skeptical GOP members on Friday.

He argued the IRS has done its best to find the emails that originally went missing in 2011.

(CNN) – Vice President Joe Biden is south of the border Friday, talking with leaders of several Central American nations about more than 50,000 children who have crossed illegally into the United States alone, many of them motivated by the false promises of migrant smugglers looking to make a profit off their desperation.FULL POST

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